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using Microsoft.CodeAnalysis;

using Microsoft.CodeAnalysis.CSharp;

using Microsoft.CodeAnalysis.CSharp.Scripting;

using Microsoft.CodeAnalysis.Scripting;

using ScriptCs.Contracts;

namespace ScriptCs.Engine.Roslyn

{

public class CSharpScriptEngine : CommonScriptEngine

{

public CSharpScriptEngine(IScriptHostFactory scriptHostFactory, ILogProvider logProvider) : base(scriptHostFactory, logProvider)

{

}

protected override ScriptState GetScriptState(string code, object globals)

{

return CSharpScript.RunAsync(code, ScriptOptions, globals).GetAwaiter().GetResult();

}

protected bool IsCompleteSubmission(string code)

{

//invalid REPL command

if (code.StartsWith(":"))

{

return true;

}

var options = new CSharpParseOptions(LanguageVersion.Latest, DocumentationMode.Parse, SourceCodeKind.Script);

var syntaxTree = SyntaxFactory.ParseSyntaxTree(code, options: options);

return SyntaxFactory.IsCompleteSubmission(syntaxTree);

}